however, the u.s. and our allies say the launch is really cover for testing missile technology that could be used to hit as far away as america. david piper live in bangkok, thailand, with the very latest. david? >> reporter: hi, megyn, yes. that famous phrase, houston, we've got a problem, well, the normally-secretive north korea has announced they've got a problem also with their planned missile launch over the next few weeks. now, what the spokesman for north korea said was that there was a technical problem with their engine module, and they didn't really elaborate any further than that. but they did say they were extending the launch period from now until december 29th. and they added despite the problems, they were pushing ahead with final preparations for the launch. scientists say the problem could be the unusually freezing weather around the site at the moment which could stall the liftoff. some analysts also suggesting the delay may be, in fact, because its ally, china, has put pressure on by